3LEC

The Crystal Structure of a protein in the NADB-Rossmann Superfamily from Streptococcus agalactiae to 1.8A

• PDB DOI: https://doi.org/10.2210/pdb3LEC/pdb

• Classification: structure genomics, unknown function
• Organism(s): Streptococcus agalactiae serogroup V
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-01-14 Released: 2010-01-26 
• Deposition Author(s): Stein, A.J., Hatzos, C., Buck, K., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.248 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.207 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.209 (Depositor) 

Starting Model: experimental

Literature

The Crystal Structure of a protein in the NADB-Rossmann Superfamily from Streptococcus agalactiae to 1.8A

Stein, A.J., Hatzos, C., Buck, K., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 26.53 kDa 
• Atom Count: 1,898 
• Modelled Residue Count: 225 
• Deposited Residue Count: 230 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NADB-Rossmann Superfamily protein	A	230	Streptococcus agalactiae serogroup V	Mutation(s): 0  Gene Names: SAG1203
UniProt
Find proteins for Q8DZA6 (Streptococcus agalactiae serotype V (strain ATCC BAA-611 / 2603 V/R)) Explore Q8DZA6  Go to UniProtKB:  Q8DZA6

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth A], E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.248 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.207 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.209 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.444	α = 90
b = 62.871	β = 107.77
c = 61.784	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-01-26 
Deposition Author(s): Stein, A.J., Hatzos, C., Buck, K., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2010-01-26
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2012-02-22
  Changes: Structure summary
• Version 1.3: 2017-11-01
  Changes: Refinement description
• Version 1.4: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.5: 2023-11-22
  Changes: Data collection
• Version 1.6: 2024-10-30
  Changes: Structure summary